Fatal error: Uncaught Error: Call to undefined function pcntl_signal() in D:\xampp\htdocs\MCH MPOS Application\Webservice\vendor\symfony\process\Tests\SignalListener.php:12 Stack trace: #0 {main} thrown in D:\xampp\htdocs\MCH MPOS Application\Webservice\vendor\symfony\process\Tests\SignalListener.php on line 12